''' @classmethod 类方法，是属于类，所有对象都可以访问'''

class Man():

    def sleep(self):
        print('我要睡觉了……》》》》》')
    @classmethod
    def keep(self):
        print("我要开始运动了……》》》》")


m1 = Man()
Man.keep()
m1.keep()
print('``````````````````````')
Man.sleep(m1)
m1.sleep()